The source, "Vertical Transportation" by Jim

Thompson, discusses the numerous hazards associated with moving materials or

people up and down in industrial settings like paper mills. It highlights

various methods of vertical transport, including elevators, ladders, cranes,

and stairs, and provides anecdotal examples of significant accidents involving

dropped equipment and elevator fires, even admitting personal responsibility

for one incident. The text emphasizes the particular dangers of ladder use,

citing alarming statistics on related injuries and fatalities and listing the

types of potential harm resulting from falls. Ultimately, it suggests

considering safer alternatives like aerial work platforms.